My mate brought the engine of sss automotive
He brought the wiring diagram for a RB20DET into VL from Japanese Automotive ?? (the ones that advertise in Zoom) $150 and takes about 3 hours 2 do your self, very simple

Hi all I am doing a 20 det conversion into my vl and at the at the stage of sorting out my looms I'm am confused on how I am to get source power from my battery side to power the 20det loom local sparkys don't wanna have a bar of it and sed it can't be done but I know it can I have the original 30 loom in on the drivers side to power my starter and alternator but am confused on how to get that plug grafted into my now 20det loom I have been studying threads and have the understanding on the under dash plugs bit can't desipher the battery side all help will be much appreciated